Question 108644
5X+6(12-X)=64.50
5X+72-6X=64.50
-X=64.50-72
-X=-7.5
X=7.5 HOURS @ $5 PER HOUR AFTER SCHOOL WORK.
12-7.5=4.5 HOURS @$6 PER HOUR SATURDAY WORK.
PROOF
5*7.5+6*4.5=64.50
37.5+27=64.50
64.50=64.50